A:
Positive:
1 x 121476955 x 24295397 x 173538535 x 347077449 x 27055773 x 157152245 x 54113143 x 3865
Negative:
-1 x -12147695-5 x -2429539-7 x -1735385-35 x -347077-449 x -27055-773 x -15715-2245 x -5411-3143 x -3865
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 12,147,695, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 12,147,695 | |
| -1 | -12,147,695 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,147,695.
Example:
1 x 12,147,695 = 12,147,695
and
-1 x -12,147,695 = 12,147,695
Notice both answers equal 12,147,695
With that explanation out of the way, let's continue. Next, we take the number 12,147,695 and divide it by 2:
12,147,695 ÷ 2 = 6,073,847.5
If the quotient is a whole number, then 2 and 6,073,847.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,147,695 | |
| -1 | -12,147,695 |
Now, we try dividing 12,147,695 by 3:
12,147,695 ÷ 3 = 4,049,231.6667
If the quotient is a whole number, then 3 and 4,049,231.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,147,695 | |
| -1 | -12,147,695 |
Let's try dividing by 4:
12,147,695 ÷ 4 = 3,036,923.75
If the quotient is a whole number, then 4 and 3,036,923.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,147,695 | |
| -1 | 12,147,695 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 449 | 773 | 2,245 | 3,143 | 3,865 | 5,411 | 15,715 | 27,055 | 347,077 | 1,735,385 | 2,429,539 | 12,147,695 |
| -1 | -5 | -7 | -35 | -449 | -773 | -2,245 | -3,143 | -3,865 | -5,411 | -15,715 | -27,055 | -347,077 | -1,735,385 | -2,429,539 | -12,147,695 |
Here are some more numbers to try:
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